Table I.
Characteristics of patients according to effusion (n=96), serum (n=79) and cytological samples (n=51).
| Characteristics | Effusion, n (%) | Serum, n (%) | Cytological samples n (%) |
|---|---|---|---|
| Disease | |||
| Gastric cancer | 30 (31.3) | 21 (26.6) | 17 (33.3) |
| Lung cancer | 38 (39.6) | 30 (38.0) | 34 (66.7) |
| Benign tuberculosis | 16 (16.7) | 16 (16.7) | 0 (0.0) |
| Disease non-tuberculosis | 12 (12.4) | 12 (12.4) | 0 (0.0) |
| Gender | |||
| Female | 34 (35.4) | 27 (34.2) | 17 (33.3) |
| Male | 62 (64.6) | 52 (65.8) | 34 (66.7) |
| Age, years | |||
| ≤45 | 12 (12.5) | 11 (13.9) | 6 (11.7) |
| 46–65 | 52 (54.2) | 43 (54.4) | 24 (47.1) |
| >65 | 32 (33.3) | 25 (31.7) | 21 (41.2) |
| Site | |||
| Pleural effusion | 57 (59.4) | 47 (59.5) | 32 (62.8) |
| Peritoneal effusion | 38 (39.6) | 32 (40.5) | 16 (31.4) |
| Pericardial effusion | 1 (1.0) | 0 (0.0) | 3 (5.9) |
| Metastasis | |||
| Pleural or peritoneal metastasis | 29 (42.7) | 22 (43.1) | 25 (49.0) |
| Multiple metastasis | 39 (57.4) | 29 (56.9) | 26 (51.0) |
| Volume, cm3 | |||
| ≤5 | 45 (46.9) | 34 (43.0) | 21 (41.2) |
| 5–10 | 37 (38.5) | 34 (43.0) | 21 (41.2) |
| >10 | 14 (14.6) | 11 (13.9) | 9 (17.6) |
| Feature | |||
| Clear, yellow | 61 (63.5) | 51 (64.6) | 27 (52.9) |
| Bloody | 35 (36.5) | 28 (35.4) | 24 (47.1) |